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Crow Butte

Crow Butte

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Encyclopedia
Crow Butte is a uranium mining
Uranium mining
Uranium mining is the process of extraction of uranium ore from the ground. The worldwide production of uranium in 2009 amounted to 50,572 tonnes, of which 27% was mined in Kazakhstan. Kazakhstan, Canada, and Australia are the top three producers and together account for 63% of world uranium...

 operation located in Nebraska
Nebraska
Nebraska is a state on the Great Plains of the Midwestern United States. The state's capital is Lincoln and its largest city is Omaha, on the Missouri River....

, U.S.A.
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...



Crow Butte is a roll-front uranium deposit discovered in 1980. Uranium
Uranium
Uranium is a silvery-white metallic chemical element in the actinide series of the periodic table, with atomic number 92. It is assigned the chemical symbol U. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons...

 is recovered using in-situ recovery (ISR)
In-situ leach
In-situ leaching , also called in-situ recovery or solution mining, is a mining process used to recover minerals such as copper and uranium through boreholes drilled into a deposit, in situ....

 mining methods.

Reserves


As of December 31, 2009, proven and probable reserves are 1,461,800 metric tons at an average grade of 0.13% U3O8 (4.1 million pounds U3O8)
.

Ownership


The Crow Butte operation is owned by Cameco Resources Inc., the U.S. subsidiary of the Canadian company, Cameco Corporation
Cameco
Cameco Corporation is the world's largest publicly traded uranium company, based in Saskatoon, Saskatchewan. In 2009, it was the world's second largest uranium producer, accounting for 16% of world production.-History:...

.

External links